Here are the answers to Wednesday's Cisco certification exam training questions!
Look for the next three videos in our "Cisco Fifty" series - 50 new videos in 50 days - to be posted on Friday!
CCNA / CCENT Certification:
You've configured a point-to-point OSPF network between two Cisco routers. By default, which router will become the DR for this segment?
A. The router with the highest OSPF priority
B. The router with the highest OSPF RID
C. The router with the lowest OSPF RID
D. The router with the lowest OSPF priority
E. None of the above
Answer: E. There is no DR or BDR on an OSPF point-to-point network.
What does "salting" the MD5 mean, and what does it matter from a network security standpoint?
Answer: Salting a password means adding random bits to a password before encryption. Adding just a few extra bits to a password makes it much hard to compromise, and is an excellent defense against both brute-force and dictionary attacks.
Of Paging and Intercom, which results in a two-way communication?
C. Paging only
D. Intercom only
Short answer: The "Multiple-Input, Multiple Output" wireless networking technology has three major variations. Name them.
Answer: Spatial multiplexing, diversity coding, and precoding.
Here are the answers to Wednesday's CCNP questions!
What command is used in OSPF to redistribute routes from a separate source such as RIP into the OSPF domain?
A. redistribute area
B. area range
D. redistribute ospf database
Answer: C. This command will be found on the ASBR. as you'll see in an upcoming Bryant Advantage Cisco training video!
How can you place the Fast Ethernet ports fast 0/10, 11, 12, and 13 into a single Etherchannel by using the word "interface" only once?
Answer: First, use the interface range fast 0/10 - 13 command to configure that entire range of ports by entering the command only once. Then use the channel-group command to place these ports into an Etherchannel.
Short answer: Name four separate IP source address ranges that are blocked by RFC 3704 Filtering.
Answer: RFC 3704 (an updated version of RFC 2827) recommends that packets from the following network ranges be prohibited from entering your network:
0.0.0.0 /8 10.0.0.0 /8 (RFC 1918 Class A private range)
127.0.0.0 /8 (loopback address range)
172.16.0.0 /12 (RFC 1918 Class B private range)
192.168.0.0 /16 (RFC 1918 Class C private range)
22.214.171.124 /4 (reserved for IP multicasts)
240.0.0.0 /4 (RFC 1918 Class E private range)
When the least most significant bits of the DSCP are all set to zero, what type of PHB is in effect?
A. Expedited Forwarding
B. Assured Forwarding
C. Default PHB
D. Class Selector PHB
Be sure to scroll up AND down the blog for new Cisco practice exam questions and visit my YouTube CCNA And CCNP Video Channel - over 93,000 views and climbing, and 50 new videos are on the way!
The Computer Certification Bulldog